Efficient access to conjugated 4,4′-bipyridinium oligomers using the Zincke reaction: Synthesis, spectroscopic and electrochemical properties

Long Chen; Helen Willcock; Christopher J. Wedge; FrantiŠek Hartl; Howard M. Colquhoun; Barnaby W. Greenland

doi:10.1039/c5ob02211h

Efficient access to conjugated 4,4′-bipyridinium oligomers using the Zincke reaction: Synthesis, spectroscopic and electrochemical properties

Long Chen, Helen Willcock, Christopher J. Wedge, FrantiŠek Hartl, Howard M. Colquhoun, Barnaby W. Greenland

Research output: Contribution to journal › Article › peer-review

24 Citations (Scopus)

Abstract

The cyclocondensation reaction between rigid, electron-rich aromatic diamines and 1,1′-bis(2,4-dinitrophenyl)-4,4′-bipyridinium (Zincke) salts has been harnessed to produce a series of conjugated oligomers containing up to twelve aromatic/heterocyclic residues. These oligomers exhibit discrete, multiple redox processes accompanied by dramatic changes in electronic absorption spectra.

Original language	English
Pages (from-to)	980-988
Number of pages	9
Journal	Organic and Biomolecular Chemistry
Volume	14
Issue number	3
Early online date	20 Nov 2015
DOIs	https://doi.org/10.1039/c5ob02211h
Publication status	Published - 2016
Externally published	Yes

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10.1039/c5ob02211hLicence: CC BY

http://eprints.hud.ac.uk/id/eprint/30048/Licence: CC BY

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abstract = "The cyclocondensation reaction between rigid, electron-rich aromatic diamines and 1,1′-bis(2,4-dinitrophenyl)-4,4′-bipyridinium (Zincke) salts has been harnessed to produce a series of conjugated oligomers containing up to twelve aromatic/heterocyclic residues. These oligomers exhibit discrete, multiple redox processes accompanied by dramatic changes in electronic absorption spectra.",

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AU - Hartl, FrantiŠek

AU - Colquhoun, Howard M.

AU - Greenland, Barnaby W.

PY - 2016

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AB - The cyclocondensation reaction between rigid, electron-rich aromatic diamines and 1,1′-bis(2,4-dinitrophenyl)-4,4′-bipyridinium (Zincke) salts has been harnessed to produce a series of conjugated oligomers containing up to twelve aromatic/heterocyclic residues. These oligomers exhibit discrete, multiple redox processes accompanied by dramatic changes in electronic absorption spectra.

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Efficient access to conjugated 4,4′-bipyridinium oligomers using the Zincke reaction: Synthesis, spectroscopic and electrochemical properties

Abstract

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